The policy brief contains an examination of the extraordinary changes under way in outer space and an assessment of the sustainability, safety and security impacts of these changes on present and future governance. The brief also contains an outline of major trends that are impacting space sustainability and the positive impact that these trends could have on achieving the Sustainable Development Goals. Also contained in the brief is an outline of major trends affecting the security of outer space activities and the risks to humanity that could materialize if these challenges are not solved. Lastly, it provides a practical set of governance recommendations for maximizing the opportunities of outer space while minimizing short-term and long-term risks.